Frd No 39 Reservoir Report

Last Updated: December 5, 2025

Frd No 39, also known as Little Walnut Hickory WS Dam 39, is a local government-owned earth dam located in Butler County, Kansas.


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Summary

Built in 1965 by the USDA NRCS, this structure serves the primary purpose of flood risk reduction along the South Branch Hickory Creek. With a height of 30 feet and a length of 1280 feet, the dam has a storage capacity of 1278.27 acre-feet and a drainage area of 3.42 square miles.

Despite its low hazard potential, Frd No 39 is state-regulated by the Kansas Department of Agriculture, with inspections and enforcement in place to ensure its safety and functionality. The dam is equipped with an uncontrolled spillway and has a moderate risk assessment rating. While it currently does not have an emergency action plan (EAP) in place, the structure meets guidelines for risk management measures. Overall, Frd No 39 is a vital component in the local water resource infrastructure, providing essential flood protection for the surrounding area.

For water resource and climate enthusiasts, Frd No 39 offers a fascinating case study in dam construction and management. Its design by the USDA NRCS, state regulation by the Kansas Department of Agriculture, and moderate risk assessment highlight the collaborative efforts required to safeguard critical water infrastructure. As climate change continues to impact precipitation patterns and increase flood risks, structures like Frd No 39 play a crucial role in protecting communities and mitigating potential disasters. By understanding the intricacies of dam operations and regulatory processes, enthusiasts can appreciate the complexity of managing water resources in the face of evolving environmental challenges.

Year Completed

1965

Dam Length

1280

Dam Height

30

River Or Stream

SOUTH BRANCH HICKORY CREEK-TR

Primary Dam Type

Earth

Surface Area

73.27

Hydraulic Height

27

Drainage Area

3.42

Nid Storage

1278.27

Structural Height

30

Outlet Gates

None

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

30
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.

Hazard Potential Classification

High
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.